#64BCE9#64BCE9

#64BCE9 is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.8% C 0.107 H 232.8°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#64BCE9
RGB	rgb(100, 188, 233)
HSL	hsl(200, 75%, 65%)
HSV	hsv(200, 57%, 91%)
CMYK	cmyk(57.1%, 19.3%, 0%, 8.6%)
CIE-LAB	lab(72.60, -13.74, -30.44)
CIE-LCH	lch(72.60, 33.39, 245.71°)
OKLab	oklab(75.8% -0.0644 -0.0849)
OKLCH	oklch(75.8% 0.107 232.8)
XYZ	xyz(37.9412, 44.5554, 83.6756)
Luminance	0.4456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCE9 #E99164

analogous

#64E9D4 #64BCE9 #6479E9

triadic

#64BCE9 #E964BC #BCE964

tetradic

#64BCE9 #D464E9 #E99164 #79E964

square

#64BCE9 #D464E9 #E99164 #79E964

split-complementary

#64BCE9 #E96479 #E9D464

monochromatic

#1A83B8 #2EA5E1 #64BCE9 #9AD3F1 #CFEAF8

Accessibility & contrast

On white

2.12

#64BCE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#64BCE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCE9

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCE9	#FFFFFF	#000000	##000000
##64BCE9	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEB

Deuteranopia (green-blind)

#93ACE8

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64bce9;
/* rgb */ color: rgb(100, 188, 233);
/* oklch */ color: oklch(75.8% 0.107 232.8);

Tailwind

colors: {
  custom: {
    50: '#9ad0f0',
    500: '#64bce9',
    950: '#000000',
  },
}

SCSS

$custom: #64bce9;
$custom-light: #9ad0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64bce9",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 233
  },
  "hsl": {
    "h": 200.301,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.75795,
    "c": 0.10657,
    "h": 232.8
  },
  "luminance": 0.44559
}

Semantic roles & 50–950 ramp

primary

#64BCE9

secondary

#EBCDBE

accent

#520ED7

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64BCE9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →